Hikashop update and custom Disrupt css

-- HikaShop version -- : 3.2.1
-- Joomla version -- : 3.9.10
-- PHP version -- : 7.1.3

Hello
I have changed and customized the css sections of the Hikashop parts.Example: Shopping Cart. Download page and invoice page and product display ...
But now, with eternity, a new version of Hikashop update .custom Disrupt css
What's your suggestion to fix this?

Hi,

The best is to avoid changing directly the CSS and instead add CSS to either your template or the "style on frontend" in order to override the default CSS.
That way, you get the new CSS from updates without having to redo your changes.